Showing 3046-3060 of 4346
-
Why are DuPont and Chemours still discharging the most notorious ‘forever chemical’?
News
28 Oct 2020 | Environmental Working Group
Rep. Harley Rouda (D-Calif.), who chairs the Environment Subcommittee of the House Committee on Oversight and Reform, sent a letter asking why they’re still discharging a highly toxic substance they claim not to have used in years. Data from the EPA’s Enforcement and Compliance History Online database shows ongoing discharges from both the Circleville and Parkersburg facilities.
-
PFAS: Rules on firefighting foam mired in dispute over definitions
News
28 Oct 2020 | Wisconsin State Journal
Act 101, passed late last year in Wisconsin on a bipartisan vote, restricts the use of PFAS containing foam to emergency situations and testing facilities with “appropriate containment, treatment and disposal measures” without defining those containment, treatment and disposal measures.
-
FDA delays setting limits on PFAS in bottled water
News
28 Oct 2020 | Consumer Reports
The agency relies on outdated research to explain why it's 'premature' to regulate the toxic chemicals.
-
Dietary exposure and accumulation of per- and polyfluoroalkyl substances alters growth and reduces body condition of post-metamorphic salamanders
Science
28 Oct 2020 | Sci Total Environ
Dietary exposure and accumulation of PFAS can impact fitness-related traits in amphibians and contribute to trophic transfer in terrestrial food webs.
-
Determination and assessment of human dietary intake of per and polyfluoroalkyl substances in retail dairy milk and infant formula from South Africa
Science
28 Oct 2020 | Sci Total Environ
The concentration of fifteen PFAS was measured in retail dairy milk and infant formulas showing potential long-term exposure to toddlers.
-
Co-exposure to PCB126 and PFOS increases biomarkers associated with cardiovascular disease risk and liver injury in mice
Science
27 Oct 2020 | Toxicol Appl Pharmacol
Acute co-exposure to PCB126 and PFOS in mice results in liver injury and increased cardiovascular disease risk.
-
Temporal Trends of Persistent Organic Pollutants across Africa after a Decade of MONET Passive Air Sampling
Science
27 Oct 2020 | Environ Sci Technol
Modeled airflow back-trajectories suggest that the elevated concentrations at some sites are primarily due to sustained local emissions, while the low concentrations measured at Mt. Kenya represent the continental background level and are primarily influenced by long-range transport.
-
Chemicals found in well as investigation continues into contamination at Fairfield dairy farm
News
27 Oct 2020 | Morning Sentinel
The milk from the Tozier Farm tested at 12,700; 14,900; and 32,200 ppt of PFOS. The high levels of PFOS in the milk is most likely due to the use of sludge for agricultural purposes.
-
National Priorities: Evaluation of Pollutants in Biosolids Request for Applications and Informational Webinar
Events
27 Oct 2020
EPA is announcing a new funding opportunity to identify, characterize, and manage risks of known and emerging chemical pollutants found in biosolids.
-
Male reproductive toxicity of perfluorooctanoate (PFOA): Rodent studies
Science
27 Oct 2020 | Chemosphere
PFOA exposure was linked to reproductive harm in men although the exact mechanism of action is largely unknown.
-
Extending the knowledge about PFAS bioaccumulation factors for agricultural plants - A review
Science
27 Oct 2020 | Sci Total Environ
This review compiles >4500 soil-to-plant bioaccumulation factors for 45 PFAS from 24 studies involving 27 types of agricultural crops.
-
Perfluoroalkyl Substances and Cognitive Function in Older Adults: Should We Consider Non-Monotonic Dose-Responses and Chronic Kidney Disease?
Science
27 Oct 2020 | Environ Res
PFOS at the current population exposure level in the U.S. may be a risk factor for cognitive decline in older adults with normal kidney function.
-
Polyfluoroalkyl chemicals and the risk of kidney stones in US adults: A population-based study
Science
27 Oct 2020 | Ecotoxicol Environ Saf
PFCs and PFHS were associated with an increased risk of kidney stones in a self-reported study.
-
Characteristics, pollution patterns and risks of Perfluoroalkyl substances in drinking water sources of Taiwan
Science
27 Oct 2020 | Chemosphere
This investigation provides information and reference points for further reviews of PFAS presence in public water supplies.
-
Population-Wide Exposure to Per- and Polyfluoroalkyl Substances from Drinking Water in the United States
Science
26 Oct 2020 | ES&T L
There is significant variation in PFAS occurrence within and between different U.S. states, highlighting the need for systematic monitoring of PFAS in both source and finished drinking water.